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Cheap flights from the United Kingdom to Belgium from £20

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Belgium departing on 1/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from the United Kingdom to Belgium

Recent return flight deals from the United Kingdom to Belgium

Enter your travel dates to find the best prices.
Ryanair Logo
18:20 - 20:45
MAN
-
CRL
1h 25mdirect
Ryanair Logo
08:40 - 09:05
CRL
-
MAN
1h 25mdirect
£37Ryanair
Sa, 7 Mrz - Di, 10 Mrz
Ryanair Logo
18:30 - 20:55
MAN
-
CRL
1h 25mdirect
Ryanair Logo
07:50 - 08:15
CRL
-
MAN
1h 25mdirect
£39Ryanair
Do, 19 Mrz - So, 22 Mrz
Brussels Airlines Logo
11:05 - 13:15
LHR
-
BRU
1h 10mdirect
Brussels Airlines Logo
09:40 - 10:05
BRU
-
LHR
1h 25mdirect
£92Brussels Airlines
Do, 12 Mrz - Do, 19 Mrz
British Airways Logo
07:10 - 09:25
LHR
-
BRU
1h 15mdirect
British Airways Logo
20:35 - 20:45
BRU
-
LHR
1h 10mdirect
£95British Airways
Do, 12 Mrz - Do, 19 Mrz
British Airways Logo
07:10 - 09:25
LHR
-
BRU
1h 15mdirect
British Airways Logo
21:45 - 21:55
BRU
-
LHR
1h 10mdirect
£95British Airways
Do, 12 Mrz - Di, 24 Mrz
Brussels Airlines Logo
11:05 - 13:15
LHR
-
BRU
1h 10mdirect
Brussels Airlines Logo
21:20 - 21:35
BRU
-
LHR
1h 15mdirect
£100Brussels Airlines
Mo, 30 Mrz - Fr, 3 Apr
KLM Logo
09:20 - 14:15
LCY
-
BRU
3h 55m
1 stop
KLM Logo
06:15 - 09:30
BRU
-
LCY
4h 15m
1 stop
£185KLM
Do, 12 Mrz - Do, 19 Mrz
Lufthansa Logo
09:50 - 17:30
LCY
-
BRU
6h 40m
1 stop
Lufthansa Logo
14:25 - 17:40
BRU
-
LCY
4h 15m
1 stop
£189Lufthansa
Mi, 25 Feb - Do, 26 Feb
Lufthansa Logo
09:40 - 17:30
LCY
-
BRU
6h 50m
1 stop
Lufthansa Logo
09:00 - 17:40
BRU
-
LCY
9h 40m
1 stop
£190Lufthansa
Do, 12 Mrz - Do, 19 Mrz
KLM Logo
17:05 - 22:20
LCY
-
BRU
4h 15m
1 stop
KLM Logo
06:15 - 08:10
BRU
-
LCY
2h 55m
1 stop
£195KLM
Mi, 11 Mrz - Mi, 18 Mrz

SWISS flights from United Kingdom to Belgium

Our best SWISS deals on United Kingdom to Belgium flight tickets
SWISS
28 Feb
LCY08:35London City
4h 00m
1 stop
BRU13:35Brussels Bruxelles-National
3 Mar
BRU06:20Brussels Bruxelles-National
7h 35m
2 stops
LCY12:55London City
£221
SWISS
2 Feb
LCY09:15London City
8h 35m
1 stop
BRU18:50Brussels Bruxelles-National
9 Feb
BRU21:15Brussels Bruxelles-National
12h 25m
2 stops
LCY08:40London City
£247

Brussels Airlines flights from United Kingdom to Belgium

Our best Brussels Airlines deals on United Kingdom to Belgium flight tickets
Brussels Airlines
12 Mar
LHR11:05London Heathrow
1h 10m
BRU13:15Brussels Bruxelles-National
19 Mar
BRU09:40Brussels Bruxelles-National
1h 25m
LHR10:05London Heathrow
£92
Brussels Airlines
25 Feb
LHR11:05London Heathrow
1h 10m
BRU13:15Brussels Bruxelles-National
4 Mar
BRU09:40Brussels Bruxelles-National
1h 25m
LHR10:05London Heathrow
£103
Brussels Airlines
24 Apr
LHR17:50London Heathrow
1h 10m
BRU20:00Brussels Bruxelles-National
27 Apr
BRU21:20Brussels Bruxelles-National
1h 15m
LHR21:35London Heathrow
£105

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to Belgium that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 28 Januar 2026.
Use the filters below to find and compare flights from the United Kingdom to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ManchesterBrussels

MAN - CRL

MANCRL

Manchester

Sa 7/3

18:20-20:45

Nonstop1h 25m

Charleroi Brussels

Di 10/3

08:40-09:05

Nonstop1h 25m

£37

ManchesterBrussels

MAN - CRL

MANCRL

Manchester

Do 19/3

18:30-20:55

Nonstop1h 25m

Charleroi Brussels

So 22/3

07:50-08:15

Nonstop1h 25m

£39

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Do 12/3

11:05-13:15

Nonstop1h 10m

Brussels Bruxelles-National

Do 19/3

09:40-10:05

Nonstop1h 25m

£92

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Do 12/3

07:10-09:25

Nonstop1h 15m

Brussels Bruxelles-National

Do 19/3

20:35-20:45

Nonstop1h 10m

£95

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Do 12/3

07:10-09:25

Nonstop1h 15m

Brussels Bruxelles-National

Di 24/3

21:45-21:55

Nonstop1h 10m

£95

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Mo 30/3

11:05-13:15

Nonstop1h 10m

Brussels Bruxelles-National

Fr 3/4

21:20-21:35

Nonstop1h 15m

£100

LondonBrussels

LCY - BRU

LCYBRU

London City

Do 12/3

09:20-14:15

1 stop3h 55m

Brussels Bruxelles-National

Do 19/3

06:15-09:30

1 stop4h 15m

£185

LondonBrussels

LCY - BRU

LCYBRU

London City

Mi 25/2

09:50-17:30

1 stop6h 40m

Brussels Bruxelles-National

Do 26/2

14:25-17:40

1 stop4h 15m

£189

LondonBrussels

LCY - BRU

LCYBRU

London City

Do 12/3

09:40-17:30

1 stop6h 50m

Brussels Bruxelles-National

Do 19/3

09:00-17:40

1 stop9h 40m

£190

LondonBrussels

LCY - BRU

LCYBRU

London City

Mi 11/3

17:05-22:20

1 stop4h 15m

Brussels Bruxelles-National

Mi 18/3

06:15-08:10

1 stop2h 55m

£195

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Belgium from

How to get the cheapest flight ticket from United Kingdom to Belgium

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Belgium?

The month of January is, on average, the cheapest month to fly to Belgium from United Kingdom, with most prices found around £106. If you aren’t able to travel during the month of January, then book flights to Belgium from United Kingdom during February instead. Flights to Belgium in February, while not as cheap as those in January, still average around £108.

What is the cheapest day to depart on your flight to Belgium?

The cheapest day to depart from United Kingdom to Belgium is on a Friday when prices can be found for as low as £419. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Belgium on Tuesday is £453.

What is the cheapest time of day to depart on your flight to Belgium?

Our most recent data shows that the best time of day to fly to Belgium is at midday. Flights from United Kingdom to Belgium during this time can be as low as £116. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £452 on average. Flights to Belgium from United Kingdom in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest United Kingdom to Belgium flight route?

Fly from Newcastle upon Tyne to Charleroi Brussels for the best United Kingdom - Belgium flight prices

How far in advance should I book a flight to Belgium?

You are more likely to see cheaper flights to Belgium from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgium for around £118 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgium from United Kingdom for as low as £95 on momondo.

What cabin class options are available on United Kingdom to Belgium flights?

There are 3 cabin classes available to choose from on United Kingdom to Belgium flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United Kingdom to Belgium flights?

No. A direct flight is the cheapest option for a flight between United Kingdom to Belgium.

Cheap United Kingdom to Belgium flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Belgium

Best price found

£24

Fastest flight time

1h 05m

Direct flights

Every day

Airports in Belgium

32 airports
The best one-way flight to Belgium from United Kingdom in the past 72 hours is £24. The best return flight deal from United Kingdom to Belgium found on momondo in the last 72 hours is £43.
The fastest flight from United Kingdom to Belgium takes 1h 05m
Direct flights go from United Kingdom to Belgium every day.
There are 32 airports in Belgium. From United Kingdom there are direct flights to Brussels Bruxelles-National (BRU).
Search flight deals

  • When did momondo last update prices for flights from United Kingdom to Belgium?

    Prices for flights from United Kingdom to Belgium are updated daily.

  • How many operators does momondo search for flights from United Kingdom to Belgium?

  • How old do you have to be to fly from United Kingdom to Belgium?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom to Belgium.

  • What documentation or ID do you need to fly to Belgium?

    The required travel and health documents for your Belgium trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belgium. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from United Kingdom to Belgium?

Best airlines flying from United Kingdom to Belgium

Compare and see reviews for airlines that fly from United Kingdom to Belgium with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £17Free CancellationRating
6.4
125 reviews
Search Ryanair flights
RyanairPriceFrom £26Free CancellationRating
6.9
5,254 reviews
Search Ryanair flights
KLMPriceFrom £72Free CancellationRating
7.7
1,443 reviews
Search KLM flights
British AirwaysPriceFrom £84Free CancellationRating
6.7
7,704 reviews
Search British Airways flights
Brussels AirlinesPriceFrom £93Free CancellationRating
7.2
381 reviews
Search Brussels Airlines flights
LufthansaPriceFrom £171Free CancellationRating
6.8
7,749 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Belgium?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United Kingdom to Belgium for you.

Can I find flights from United Kingdom to Belgium with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Belgium from United Kingdom with this policy.

How can momondo help me find flights from United Kingdom to Belgium?

momondo helps you find the best flight between United Kingdom and Belgium by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from United Kingdom to Belgium right now. Can momondo alert me if prices change?

Price alerts on flights to Belgium from United Kingdom are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Belgium trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Fr 27/2
Fr 6/3
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